>>214632631
It's not that they're extinct, rather that they evolved into different instruments and they're more of an aesthetic choice rather than the most available tool to make tunes like back then. Chillwave, synthwave, and vaporwave still use synths a lot, and some artists love to use that 80s' aesthetic in the music, like Ariana Grande and The Weeknd. It's still popular, you just gotta look a little bit for it.
https://youtu.be/5UE2kT5LxE0
https://youtu.be/i4ZuseKFBF0 (the music video for this is pure SEXO, look for it if you like the song!)